Update paper link

README.md

@@ -11,7 +11,7 @@ ViSoBERT is the state-of-the-art language model for Vietnamese social media task
  - ViSoBERT is the first monolingual MLM ([XLM-R](https://github.com/facebookresearch/XLM#xlm-r-new-model) architecture) built specifically for Vietnamese social media texts.
  - ViSoBERT outperforms previous monolingual, multilingual, and multilingual social media approaches, obtaining new state-of-the-art performances on four downstream Vietnamese social media tasks.
 
-The general architecture and experimental results of ViSoBERT can be found in our [paper](https://arxiv.org/abs/2310.11166):
+The general architecture and experimental results of ViSoBERT can be found in our [paper](https://aclanthology.org/2023.emnlp-main.315/):
 
     @inproceedings{nguyen-etal-2023-visobert,
         title = "{V}i{S}o{BERT}: A Pre-Trained Language Model for {V}ietnamese Social Media Text Processing",